CN114435892A

CN114435892A - Casting blank self-stabilization lifting device

Info

Publication number: CN114435892A
Application number: CN202210362768.8A
Authority: CN
Inventors: 李保全; 夏春祥; 王慧峰; 王作山
Original assignee: Hebei Yanshan Iron And Steel Group Co ltd
Current assignee: Hebei Yanshan Iron And Steel Group Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-05-06
Anticipated expiration: 2042-04-08
Also published as: CN114435892B

Abstract

The invention relates to the technical field of casting blank lifting, in particular to a casting blank self-stabilizing lifting device which comprises a fixed base, a rotating shaft, a stabilizing lifting mechanism and an anti-reversal mechanism. According to the stable lifting mechanism, the conveying angle of the chain is adjusted according to the height required to be lifted by the adjusting group, so that the effect of height adjustment is achieved, the same casting blank lifting device can lift different heights, meanwhile, the stabilizing frames on the left side and the right side of the chain support the chain through the matching of the supporting grooves and the supporting rollers, the capability of the chain for bearing impact load is enhanced, the service life of the chain is prolonged, the stability of a casting blank in the lifting process is improved, and the problem that the stability of the casting blank in the lifting process is poor due to the fact that the casting blank lifted upwards is shaken due to impact force generated when the casting blank falls onto the bearing seat is solved.

Description

Casting blank self-stabilization lifting device

Technical Field

The invention relates to the technical field of casting blank lifting, in particular to a casting blank self-stabilizing lifting device.

Background

The casting blank is a product obtained by casting molten steel smelted by a steel smelting furnace through a continuous casting machine, and is mainly divided into the following parts in appearance: in the steel industry, produced casting blanks need to be conveyed to a steel rolling workshop from a continuous casting workshop, and the casting blanks need to be lifted and conveyed due to different arrangement heights of the two workshops in the conveying process.

Chinese patent No. CN208994495U discloses a vertical lifting device for casting blank, which moves from bottom to top by a chain driven by a sprocket, and the casting blank is placed on a casting blank supporting device and lifted up along with the chain.

The device has the following problems when lifting the casting blank: 1. the casting blank is conveyed by the chain wheel and the chain, and when the casting blank falls on the casting blank supporting device on the lifting device chain, the fatigue strength of the chain is reduced due to the fact that impact force is easily generated in the falling process, and therefore the service life of the chain is shortened.

2. When singly adopting sprocket chain to carry the casting blank, because the chain takes place to warp easily in transportation process, and the chain that does not have spacing support easily drives the casting blank and rocks at the in-process of carrying to lead to the casting blank to be difficult to carry out stable transport, the security that the casting blank promoted reduces.

3. The lifting height of the casting blank vertical lifting device is fixed, and the same casting blank lifting device is difficult to lift at different heights, so that the problem that the casting blank lifting device is single in use range is caused.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme that the casting blank self-stabilizing lifting device comprises a fixed base, a rotating shaft, a stabilizing lifting mechanism and an anti-reversion mechanism, wherein a stepped groove is formed in the upper end face of the fixed base, the rotating shaft is rotatably connected between the left end face and the right end face of the stepped groove close to the front end, the stabilizing lifting mechanism is installed on the rotating shaft, and the anti-reversion mechanism is installed on the stabilizing lifting mechanism.

The stable lifting mechanism comprises a supporting connecting plate, wherein the left side and the right side of a rotating shaft are respectively sleeved with a fixed sleeve, the two fixed sleeves are respectively rotatably connected with the left side wall and the right side wall of a stepped groove, the opposite surfaces of the two fixed sleeves are respectively rotatably installed with the supporting connecting plate, a lifting shaft is rotatably connected between the opposite surfaces of the upper end of the supporting connecting plate, the lifting shaft and the rotating shaft are jointly sleeved with supporting seats which are equidistantly arranged from left to right, the supporting seats and the stepped groove are connected through a regulating group, the rotating shaft and the lifting shaft are respectively provided with chain wheels which are equidistantly arranged from left to right, the chain wheels on the upper side and the lower side are connected through chain transmission, the chain and the supporting seats are arranged in a staggered manner, a plurality of groups of stabilizing frames which are equidistantly arranged from left to right are jointly sleeved on the rotating shaft and the lifting shaft, each group of stabilizing frames consists of two stabilizing frames, and the two stabilizing frames of each group are respectively positioned on the left side and the right side of the chain, the steady rest is connected through the mount No. one with adjacent supporting seat, is located the steady rest of both sides and supports and be connected through the mount No. two between the even board, and the steady rest is close to the terminal surface of chain and has seted up the support groove, rotates on the chain to install along its back-up roll of controlling the lateral wall and evenly arranging, back-up roll and support groove roll cooperation, install on the chain along its lateral wall evenly arrange accept the seat, accept the seat and be J type structure.

As a preferred technical scheme, the adjusting set comprises an adjusting sliding groove, the adjusting sliding groove is formed in the upper end face of the stepped groove in the rear side, a fixed seat is mounted on the upper end face of the adjusting sliding groove through an electric sliding block, mounting grooves which are equidistantly arranged from left to right are formed in the fixed seat, a group of supporting rods are rotatably connected in the mounting grooves, each group of supporting rods consists of a left supporting rod and a right supporting rod, and the upper ends of the two supporting rods in each group are respectively rotatably connected to the left side and the right side of the supporting seat.

According to a preferred technical scheme of the invention, the left side and the right side of the supporting seat are respectively provided with a storage chute, the supporting rods are in sliding connection with the storage chutes, connecting holes which are symmetrically arranged up and down and communicated are formed between the left storage chute and the right storage chute, the front end of one supporting rod is provided with a threaded hole, the front end of the other supporting rod is connected with a threaded rod in a thread fit mode, and the threaded rod penetrates through the corresponding connecting hole and then is connected with the threaded hole in a thread fit mode.

As a preferred technical scheme of the invention, the chain is rotatably provided with telescopic rods which are uniformly distributed along the outer side wall of the chain, the telescopic ends of the telescopic rods are hinged with the vertical section of the bearing seat, a damping spring is arranged between the telescopic rods and the bearing seat, and the arc section of the bearing seat is rotatably connected with the chain.

As a preferred technical scheme, the anti-reverse mechanism comprises gears, the left end and the right end of the rotating shaft and the left end and the right end of the lifting shaft are fixedly sleeved with the gears, the upper corresponding gears and the lower corresponding gears are connected through a connecting belt, the inner ring surface of the connecting belt is provided with meshing teeth meshed with the gears, the opposite surfaces of the two supporting connecting plates are rotatably connected with blocking teeth which are uniformly distributed, the upper ends of the blocking teeth are clamped on the corresponding meshing teeth on the upper side of the inner ring surface of the connecting belt, the supporting connecting plates are provided with supporting strips which are uniformly distributed, the supporting strips are positioned on the rear sides of the blocking teeth, the supporting strips are connected with the blocking teeth through reset springs, the supporting connecting plates are provided with limiting strips which are uniformly distributed, and the limiting strips are positioned on the front sides of the blocking teeth.

As a preferable technical scheme of the invention, a transition plate is rotatably connected to the upper end of the supporting seat close to the rear side, an elastic pressing plate is fixedly connected to the upper end of the supporting seat close to the rear side, and the elastic pressing plate is connected with the transition plate through a buffer spring.

As a preferred technical scheme of the invention, a plurality of groups of uniformly distributed abutting limiting rollers are mounted on the supporting connecting plate, each group of abutting limiting rollers consists of two abutting limiting rollers, the abutting limiting rollers are positioned on the outer ring surface of the upper side of the connecting belt, and the two abutting limiting rollers of each group are respectively positioned on the front side and the rear side above the blocking teeth.

As a preferable technical solution of the present invention, the mounting groove penetrates through a front side of the fixing base.

In a preferred embodiment of the present invention, a length between a rear end face of the front step of the stepped groove and a rear side of the lower end of the chain is longer than a length of the receiving base.

The invention has the beneficial effects that: 1. according to the stable lifting mechanism, the conveying angle of the chain is adjusted according to the height required to be lifted by the adjusting group, so that the effect of height adjustment is achieved, the same casting blank lifting device can lift different heights, meanwhile, the stabilizing frames on the left side and the right side of the chain support the chain through the matching of the supporting grooves and the supporting rollers, the capability of the chain for bearing impact load is enhanced, the service life of the chain is prolonged, the stability of a casting blank in the lifting process is improved, and the problem that the stability of the casting blank in the lifting process is poor due to the fact that the casting blank lifted upwards is shaken due to impact force generated when the casting blank falls onto the bearing seat is solved.

2. When the rotating shaft is not conveyed upwards in an emergency, the blocking teeth are clamped between the meshing teeth, so that the connecting belt is prevented from moving downwards under the action of the gravity of a casting blank, and the rotating shaft and the lifting shaft can not rotate under the meshing action between the meshing teeth and the gear, so that the casting blank is supported by the chain and does not fall downwards, and accidents caused by the fact that the casting blank falls in an emergency in the lifting process are avoided.

3. According to the invention, the supporting rod is fixed with the connecting hole on the lower side of the supporting seat, and the supporting seat drives the lifting shaft to be lower than the stepped groove, so that the lifting device can be conveniently moved and transported, and the problem of poor stability in the moving process due to the fact that the lifting device is higher in height is solved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic front perspective view of the present invention.

Fig. 2 is a first partial perspective view of the present invention.

Fig. 3 is a second partial perspective view of the present invention.

Fig. 4 is a top view of the present invention.

Fig. 5 is a sectional view taken along line a-a of fig. 4 in accordance with the present invention.

Fig. 6 is an enlarged view of the invention at B of fig. 5.

FIG. 7 is a top partial cross-sectional view of the chain, stabilizer, support grooves, and support rollers of the present invention.

Fig. 8 is a right partial cross-sectional view of the stabilizing lift mechanism of the present invention.

FIG. 9 is a top partial cross-sectional view of the support base, attachment holes, threaded rod, and support rod of the present invention.

In the figure: 1. a fixed base; 10. casting blanks; 2. a rotating shaft; 3. a stable lifting mechanism; 30. fixing a sleeve; 31. supporting the connecting plate; 310. pushing the limiting roller; 32. a lift shaft; 33. a supporting seat; 330. a storage chute; 331. connecting holes; 332. a threaded rod; 34. a chain; 340. a telescopic rod; 341. a damping spring; 342. a transition plate; 343. elastic pressing plate; 345. a buffer spring; 35. a stabilizer frame; 36. a support groove; 37. a support roller; 38. a bearing seat; 301. adjusting the sliding chute; 302. a fixed seat; 303. mounting grooves; 304. a support bar; 4. a reverse rotation prevention mechanism; 40. a gear; 41. a connecting belt; 42. meshing teeth; 43. a gear tooth; 44. a supporting strip; 45. a return spring; 46. and (7) a limiting strip.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways.

Referring to fig. 1, a casting blank is from steady hoisting device, includes unable adjustment base 1, axis of rotation 2, stabilizes hoist mechanism 3 and prevents reverse mechanism 4, the ladder groove has been seted up to unable adjustment base 1's up end, and the ladder groove is close to rotate between the both ends face of controlling of front end and is connected with axis of rotation 2, installs stable hoist mechanism 3 on the axis of rotation 2, installs on the stable hoist mechanism 3 and prevents reverse mechanism 4.

Referring to fig. 1, 4, 7 and 8, the stable lifting mechanism 3 includes a supporting connecting plate 31, the left and right sides of the rotating shaft 2 are both sleeved with two fixing sleeves 30, the two fixing sleeves 30 are respectively rotatably connected with the left and right side walls of the stepped groove, the opposite surfaces of the two fixing sleeves 30 are both rotatably provided with the supporting connecting plate 31, the upper opposite surface of the supporting connecting plate 31 is rotatably connected with a lifting shaft 32, the lifting shaft 32 and the rotating shaft 2 are commonly sleeved with supporting seats 33 equidistantly arranged from left to right, the supporting seats 33 are connected with the stepped groove through an adjusting set, the rotating shaft 2 and the lifting shaft 32 are both fixedly sleeved with chain wheels equidistantly arranged from left to right, the chain wheels at the upper and lower sides are in transmission connection through chains 34, the chains 34 and the supporting seats 33 are alternately arranged, the rotating shaft 2 and the lifting shaft 32 are commonly sleeved with a plurality of stabilizing frames 35 equidistantly arranged from left to right, every group's stabilizer 35 comprises two stabilizer 35, two stabilizer 35 of every group are located the left and right sides of chain 34 respectively, stabilizer 35 is connected through the mount No. one with adjacent supporting seat 33, the stabilizer 35 that is located both sides is connected through the mount No. two with supporting between even board 31, stabilizer 35 has seted up support groove 36 near the terminal surface of chain 34, it evenly arranges's backing roll 37 along its left and right sides lateral wall to rotate to install on the chain 34, backing roll 37 and support groove 36 roll fit, install the bearing 38 of evenly arranging along its outside lateral wall on the chain 34, bearing 38 is the J type structure.

The rotation shaft 2 rotates to drive the lifting shaft 32 to rotate through the transmission connection of the chain wheel and the chain 34, the chain 34 moves upwards through the rotation of the lifting shaft 32 and the rotation shaft 2, then the casting blank 10 conveyed from the front side of the lifting device is conveyed backwards, when the casting blank 10 falls onto the bearing seat 38, the bearing seat 38 and the chain 34 are impacted by the casting blank 10, and the stabilizing frames 35 on the left side and the right side of the chain 34 support the chain 34 through the matching of the supporting grooves 36 and the supporting rollers 37, so that the capability of the chain 34 for bearing impact load is enhanced, the service life of the chain 34 is prolonged, the stability of the casting blank 10 in the lifting process is improved, the problem that the casting blank 10 lifted from the upper side is shaken due to the impact force generated when the casting blank 10 falls onto the bearing seat 38 to cause poor stability of the casting blank 10 in the lifting process is solved, and the casting blanks 10 are supported by the uniform arrangement of the plurality of the bearing seats 38, the conveying stability of the cast slab 10 is increased, and the supporting rollers 37 on the left and right sides rotate and move in the supporting grooves 36 during the lifting of the chain 34.

Referring to fig. 1 and 5, the length between the rear end face of the step at the front side of the stepped groove and the rear side of the lower end of the chain 34 is greater than the length of the receiving seat 38, so that the receiving seat 38 is positioned for storage after the height of the lifting shaft 32 is reduced.

Referring to fig. 1 and 8, the chain 34 is rotatably provided with telescopic rods 340 uniformly arranged along the outer side wall thereof, the telescopic ends of the telescopic rods 340 are hinged to the vertical section of the bearing seat 38, a damping spring 341 is arranged between the telescopic rods 340 and the bearing seat 38, the arc section of the bearing seat 38 is rotatably connected to the chain 34, and the telescopic rods 340 and the damping spring 341 at the lower end of the bearing seat 38 reduce the impact force generated when the casting blank 10 falls, so as to reduce the impact force generated when the casting blank 10 falls.

Referring to fig. 2 and 3, adjust the group including adjusting spout 301, regulation spout 301 has been seted up to the ladder groove up end of rear side, and fixing base 302 is installed through electric slider to the up end of adjusting spout 301, sets up the mounting groove 303 of arranging from a left side right equidistance on the fixing base 302, and the mounting groove 303 internal rotation is connected with a set of bracing piece 304, and every group bracing piece 304 comprises controlling two bracing pieces 304, and the upper end of two bracing pieces 304 of every group rotates respectively and connects the left and right sides at supporting seat 33.

When the promotion height of casting blank 10 need be increaseed, drive fixing base 302 through electronic slider and move forward, the upper and lower both ends of fixing base 302 in-process bracing piece 304 that moves forward rotate with mounting groove 303 along supporting seat 33 respectively, bracing piece 304 promotes supporting seat 33 and overturns along axis of rotation 2 forward simultaneously, thereby improve the distance between supporting seat 33 upper end and the stepped groove, make the promotion height of casting blank 10 obtain the increasement, avoided the problem that same casting blank 10 hoisting device is difficult to carry out the not promotion of co-altitude.

Referring to fig. 3, the mounting groove 303 penetrates through the front side of the fixing base 302 to facilitate the rotation of the supporting rod 304.

Referring to fig. 3 and 9, the left and right sides of the supporting seat 33 are both provided with storage chutes 330, the supporting rods 304 are slidably connected with the storage chutes 330, the connecting holes 331 are formed between the left and right storage chutes 330 and are vertically symmetrically arranged and communicated with each other, the front end of one of the supporting rods 304 is provided with a threaded hole, the front end of the other supporting rod 304 is connected with a threaded rod 332 in a threaded fit manner, the threaded rod 332 penetrates through the corresponding connecting hole 331 and then is connected with the threaded hole in a threaded fit manner, when the casting blank lifting device needs to move, the threaded rod 332 is rotated to move the threaded rod 332 out of the threaded hole and the connecting hole 331, then the front end of the supporting rod 304 slides downwards along the storage chutes 330 until the front end of the supporting rod 304 abuts against the lower end of the storage chute 330, and then the threaded rod 332 is rotated to connect the threaded hole 331 after penetrating through the connecting hole 331, thereby fix bracing piece 304 and supporting seat 33, supporting seat 33 drives the height reduction of lifting shaft 32 apart from the ladder groove this moment to hoisting device removes the transportation, thereby has avoided hoisting device to remove the in-process because of the height is higher, leads to removing the problem of in-process poor stability.

Referring to fig. 2, a transition plate 342 is rotatably connected to a position, close to the rear side, of the upper end of the support seat 33, an elastic pressing plate 343 is fixedly connected to a position, close to the rear side, of the upper end of the support seat 33, the elastic pressing plate 343 is connected with the transition plate 342 through a buffer spring 345, the transition plate 342 performs transition guiding on the casting blank 10 falling after being lifted under the action of the buffer spring 345, so that the transition plate 342 is firstly pressed downwards when the casting blank 10 falls downwards, the buffer spring 345 is extruded and reversed by the transition plate 342, the casting blank 10 can slowly fall downwards, and the casting blank 10 is prevented from being damaged due to a large direct falling impact force.

Referring to fig. 3, 5 and 6, the anti-reverse mechanism 4 includes a gear 40, gears 40 are fixedly sleeved at the left and right ends of the rotating shaft 2 and the left and right ends of the lifting shaft 32, the gears 40 corresponding to each other up and down are connected through a connecting band 41, meshing teeth 42 meshed with the gears 40 are installed on the inner ring surface of the connecting band 41, the opposite surfaces of the two supporting connecting plates 31 are rotatably connected with blocking teeth 43 uniformly distributed, the upper ends of the blocking teeth 43 are clamped on the corresponding meshing teeth 42 on the upper side of the inner ring surface of the connecting band 41, supporting strips 44 uniformly distributed are installed on the supporting connecting plates 31, the supporting strips 44 are located at the rear sides of the blocking teeth 43, the supporting strips 44 are connected with the blocking teeth 43 through a return spring 45, limiting strips 46 uniformly distributed are installed on the supporting connecting plates 31, and the limiting strips 46 are located at the front sides of the blocking teeth 43.

The rotating shaft 2 is meshed with the meshing teeth 42 on the inner side of the connecting belt 41 through the gear 40 in the rotating process so as to drive the connecting belt 41 to rotate, the meshing teeth 42 on the inner side of the connecting belt 41 push the blocking teeth 43 to rotate in the moving process of the connecting belt 41, meanwhile, the blocking teeth 43 are always attached to the meshing teeth 42 under the pushing action of the return spring 45, when the rotating shaft 2 is not conveyed upwards in an emergency, the blocking teeth 43 are clamped between the meshing teeth 42, so that the problem that the connecting belt 41 moves downwards under the action of gravity of the casting blank 10 is solved, the rotating shaft 2 and the lifting shaft 32 cannot rotate under the meshing action between the meshing teeth 42 and the gear 40 when the connecting belt 41 cannot move downwards, the casting blank 10 is supported by the chain 34 not to fall downwards, and the anti-reversion capability is improved through the limiting action of the blocking teeth 43, the problem that the self weight of the casting blank 10 on the chain 34 is heavy, so that the reverse rotation prevention effect of the connecting belt 41 is poor is solved, and accidents caused by falling of the casting blank 10 in an emergency situation in the lifting process are avoided.

Referring to fig. 3 and 6, a plurality of groups of supporting limit rollers 310 which are uniformly arranged are installed on the supporting connecting plate 31, each group of supporting limit rollers 310 is composed of two supporting limit rollers 310, the supporting limit rollers 310 are located on the outer ring surface of the upper side of the connecting band 41, the two supporting limit rollers 310 of each group are respectively located on the front side and the rear side above the blocking teeth 43, the supporting limit rollers 310 support the connecting band 41, and the problem that when the blocking teeth 43 limit the reverse rotation of the connecting band 41, the connecting band 41 deforms to cause the meshing teeth 42 and the blocking teeth 43 to be unable to support tightly, and the reverse rotation prevention effect of the blocking teeth 43 is poor is solved.

During operation, the conveying angle of the chain 34 is adjusted according to the height required to be lifted by the adjusting group in the stable lifting mechanism 3, so that the effect of height adjustment is achieved, the same casting blank lifting device can lift different heights, the left end of the rotating shaft 2 penetrates through the fixed base 1 and then is connected with the existing driving mechanism, the driving mechanism can be a driving motor for driving the rotating shaft 2 to rotate, then, the casting blank 10 conveyed by the front side of the lifting device is conveyed backwards, when the casting blank 10 falls onto the bearing seat 38, the impact force generated when the casting blank 10 falls is relieved by the telescopic rod 340 and the damping spring 341 at the lower end of the bearing seat 38, so that the impact force when the casting blank 10 falls is reduced, meanwhile, the stabilizing frames 35 at the left side and the right side of the chain 34 support the chain 34 through the matching of the support grooves 36 and the support rollers 37, so that the capability of the chain 34 for bearing impact load is increased, the service life of the chain 34 is prolonged, meanwhile, the stability of the casting blank 10 in the lifting process is also improved, the problem that the casting blank 10 lifted by the upper side is shaken due to the impact force generated when the casting blank 10 falls onto the bearing seat 38 to cause poor stability of the casting blank 10 in the lifting process is solved, the anti-reverse mechanism 4 can prevent the casting blank 10 from being suddenly lifted, the rotating shaft 2 is not conveyed upwards any more, and the chain 34 drives the rotating shaft 2 to reversely rotate under the gravity pressing effect of the casting blank 10.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a casting blank is from steady hoisting device, includes unable adjustment base (1), axis of rotation (2), stabilizes hoist mechanism (3) and prevents reverse mechanism (4), its characterized in that: a stepped groove is formed in the upper end face of the fixed base (1), a rotating shaft (2) is rotatably connected between the left end face and the right end face of the stepped groove close to the front end, a stable lifting mechanism (3) is installed on the rotating shaft (2), and an anti-reversion mechanism (4) is installed on the stable lifting mechanism (3);

stabilize hoist mechanism (3) and link board (31) including supporting, the left and right sides of axis of rotation (2) all overlaps and is equipped with fixed cover (30), two fixed covers (30) rotate with the lateral wall of controlling in the ladder groove respectively and are connected, the opposite face of two fixed covers (30) is all rotated and is installed and is supported even board (31), it is connected with lift axle (32) to support to rotate between the upper end opposite face of even board (31), lift axle (32) and axis of rotation (2) go up common cover and be equipped with supporting seat (33) of arranging from a left side right side equidistance, be connected through the regulating block between supporting seat (33) and the ladder groove, it is equipped with the sprocket of arranging from a left side right side equidistance all to fix the cover on axis of rotation (2) and lift axle (32), connect through chain (34) transmission between the sprocket of upper and lower both sides, chain (34) and supporting seat (33) are crisscross arrangement, it is equipped with multiunit steady rest (35) of arranging from a left side right side to go up common cover on axis of rotation (2) and lift axle (32), every group steady rest (35) comprises two steady rests (35), two steady rests (35) of every group are located the left and right sides of chain (34) respectively, steady rest (35) are connected through a mount with adjacent supporting seat (33), steady rest (35) that are located both sides are connected through No. two mounts with supporting between even board (31), steady rest (35) are close to the terminal surface of chain (34) and have been seted up and have been supported groove (36), it evenly arranges along its left and right sides lateral wall backing roll (37) to rotate on chain (34) to install, backing roll (37) and support groove (36) roll fit, install on chain (34) and evenly arrange along its lateral wall socket (38), socket (38) are the J type structure.

2. The casting blank self-stabilizing lifting device according to claim 1, characterized in that: the regulation group is including adjusting spout (301), regulation spout (301) have been seted up to the ladder groove up end of rear side, fixing base (302) are installed through electronic slider to the up end of adjusting spout (301), set up mounting groove (303) of arranging from a left side right equidistance on fixing base (302), mounting groove (303) internal rotation is connected with a set of bracing piece (304), every group bracing piece (304) comprise about two bracing pieces (304), the upper end of two bracing pieces (304) of every group rotates respectively and connects both sides about supporting seat (33).

3. The casting blank self-stabilizing lifting device according to claim 2, characterized in that: the supporting seat is characterized in that the left side and the right side of the supporting seat (33) are both provided with a storage sliding groove (330), the supporting rods (304) are in sliding connection with the storage sliding groove (330), connecting holes (331) which are symmetrically arranged up and down and are communicated are formed between the left storage sliding groove and the right storage sliding groove (330), the front end of one supporting rod (304) is provided with a threaded hole, the front end of the other supporting rod (304) is connected with a threaded rod (332) in a thread fit mode, and the threaded rod (332) penetrates through the corresponding connecting hole (331) and then is connected with the threaded hole in a thread fit mode.

4. The casting blank self-stabilizing lifting device according to claim 1, characterized in that: the chain (34) is rotatably provided with telescopic rods (340) which are uniformly distributed along the outer side wall of the chain, the telescopic ends of the telescopic rods (340) are hinged with the vertical section of the bearing seat (38), a damping spring (341) is arranged between the telescopic rods (340) and the bearing seat (38), and the arc section of the bearing seat (38) is rotatably connected with the chain (34).

5. The casting blank self-stabilizing lifting device according to claim 1, characterized in that: prevent reverse mechanism (4) including gear (40), both ends and the left and right sides both ends of lifting shaft (32) are all fixed cover and are equipped with gear (40) about axis of rotation (2), be connected through connecting band (41) between upper and lower corresponding gear (40), meshing tooth (42) with gear (40) engaged with are installed to the interior anchor ring of connecting band (41), the opposite face of two support link boards (31) all rotates and is connected with fender tooth (43) of evenly arranging, the upper end card of fender tooth (43) is on connecting band (41) corresponding meshing tooth (42) of interior anchor ring upside, support link board (31) and go up and install support bar (44) of evenly arranging, support bar (44) are located the rear side of fender tooth (43), be connected through reset spring (45) between support bar (44) and fender tooth (43), support and link board (31) and go up and install spacing strip (46) of evenly arranging, the limiting strip (46) is positioned at the front side of the blocking tooth (43).

6. The casting blank self-stabilizing lifting device according to claim 1, characterized in that: the upper end of the supporting seat (33) close to the rear side is rotatably connected with a transition plate (342), the upper end of the supporting seat (33) close to the rear side is fixedly connected with an elastic pressing plate (343), and the elastic pressing plate (343) is connected with the transition plate (342) through a buffer spring (345).

7. The casting blank self-stabilizing lifting device according to claim 5, characterized in that: the supporting connecting plate (31) is provided with a plurality of groups of supporting and pushing limiting rollers (310) which are uniformly distributed, each group of supporting and pushing limiting rollers (310) is composed of two supporting and pushing limiting rollers (310), the supporting and pushing limiting rollers (310) are located on the outer ring surface of the upper side of the connecting belt (41), and the two supporting and pushing limiting rollers (310) of each group are located on the front side and the rear side above the blocking teeth (43) respectively.

8. The casting blank self-stabilization lifting device according to claim 2, characterized in that: the mounting groove (303) penetrates through the front side of the fixing seat (302).

9. The casting blank self-stabilizing lifting device according to claim 1, characterized in that: the length between the rear end face of the front side ladder of the ladder groove and the rear side of the lower end of the chain (34) is larger than that of the bearing seat (38).